Genetics Crossword Puzzle

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Across
  1. 4. Thread-like structures inside the nucleus
  2. 9. Square: Helps to determine what the offspring will have
  3. 10. Genetic makeup
  4. 11. Acts like the brain of a cell
  5. 12. The passing of traits from one generation to the next
Down
  1. 1. ___ determines traits
  2. 2. Hides dominant traits
  3. 3. Hides recessive traits
  4. 5. Learning to ride a bike is an ____
  5. 6. Appearance or visible traits
  6. 7. Mendel: The modern father of genetics
  7. 8. Eye color, hair color, nose shape
  8. 13. Carries the genetic instructions